blustealer | dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9

General

Target

dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe
Size

755KB
MD5

d490726d76a507a9ac7a4dfaf7bf40e6
SHA1

6ca8c6e26b79c90681a7d0d60b904128852de9ad
SHA256

dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9
SHA512

bbfbe614d8e5dbf7f909d6a06eeffb35f1536d951885c41dd69f9030e334159464c74d41a8d8845892fdf897627e4b23c632b0e12de46610a524e88988cba813
SSDEEP

12288:3Eas0qVbqJYhl669sg1Sv4nNRfm+zk19ovX9iE:qVbqJorSSSv8IjUX9iE

Score

10^/10

blustealer stormkitty collection stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5374342837:AAHF-c1HAIvNCdF89VuEdNggsL2YBlpgkSE/sendMessage?chat_id=2133303215

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 4 IoCs

resource	yara_rule
behavioral1/memory/1324-77-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1324-76-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1324-79-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1324-81-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1672 set thread context of 1500	1672	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe	27
PID 1500 set thread context of 1324	1500	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe	28

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	AppLaunch.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	AppLaunch.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1324	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1500	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 1500	1672	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe	27
PID 1672 wrote to memory of 1500	1672	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe	27
PID 1672 wrote to memory of 1500	1672	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe	27
PID 1672 wrote to memory of 1500	1672	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe	27
PID 1672 wrote to memory of 1500	1672	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe	27
PID 1672 wrote to memory of 1500	1672	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe	27
PID 1672 wrote to memory of 1500	1672	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe	27
PID 1672 wrote to memory of 1500	1672	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe	27
PID 1672 wrote to memory of 1500	1672	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe	27
PID 1500 wrote to memory of 1324	1500	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe	28
PID 1500 wrote to memory of 1324	1500	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe	28
PID 1500 wrote to memory of 1324	1500	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe	28
PID 1500 wrote to memory of 1324	1500	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe	28
PID 1500 wrote to memory of 1324	1500	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe	28
PID 1500 wrote to memory of 1324	1500	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe	28
PID 1500 wrote to memory of 1324	1500	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe	28
PID 1500 wrote to memory of 1324	1500	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe	28
PID 1500 wrote to memory of 1324	1500	dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe
"C:\Users\Admin\AppData\Local\Temp\dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Users\Admin\AppData\Local\Temp\dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe
  "C:\Users\Admin\AppData\Local\Temp\dad0d104a652c82b4b0d0b9754b1528a6ec1d68a6bf9f21e7a9cb49c6c2501f9.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1500
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    3⤵
    - Accesses Microsoft Outlook profiles
    - Checks processor information in registry
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:1324

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1324-74-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1324-81-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1324-79-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1324-76-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1500-66-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1500-69-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1500-61-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1500-62-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1500-64-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1500-83-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1500-73-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1672-60-0x0000000000580000-0x00000000005A8000-memory.dmp

Filesize
160KB

Download
memory/1672-59-0x0000000005E40000-0x0000000005EBE000-memory.dmp

Filesize
504KB

Download
memory/1672-58-0x0000000000420000-0x000000000042C000-memory.dmp

Filesize
48KB

Download
memory/1672-57-0x0000000000390000-0x00000000003A4000-memory.dmp

Filesize
80KB

Download
memory/1672-56-0x0000000000380000-0x0000000000394000-memory.dmp

Filesize
80KB

Download
memory/1672-55-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

Filesize
8KB

Download
memory/1672-54-0x0000000000F60000-0x0000000001024000-memory.dmp

Filesize
784KB

Download

Analysis

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